Measurement of the cross-section of high transverse momentum vector bosons reconstructed as single jets and studies of jet substructure in $pp$ collisions at ${\sqrt{s}}$ = 7 TeV with the ATLAS detector - IN2P3 - Institut national de physique nucléaire et de physique des particules
Article Dans Une Revue New Journal of Physics Année : 2014

Measurement of the cross-section of high transverse momentum vector bosons reconstructed as single jets and studies of jet substructure in $pp$ collisions at ${\sqrt{s}}$ = 7 TeV with the ATLAS detector

G. Aad , S. Abdel Khalek (1) , A. Bassalat (1) , C. Becot (1) , S. Binet (1) , C. Bourdarios (1) , D. Charfeddine (1) , J.B. de Vivie de Regie (1) , L. Duflot (1) , M. Escalier (1) , L. Fayard (1) , D. Fournier (1) , J.-F. Grivaz (1) , T. Guillemin (1) , S. Henrot-Versillé (1) , J. Hrivnac (1) , L. Iconomidou-Fayard (1) , M. Kado (1) , A. Lounis (1) , N. Makovec (1) , P. Matricon (1) , L. Poggioli (1) , P. Puzo (1) , A. Renaud (1) , D. Rousseau (1) , G. Rybkin (1) , A.C. Schaffer (1) , E. Scifo (1) , L. Serin (1) , S. Simion (1) , R. Tanaka (1) , H.L. Tran (1) , D. Zerwas (1) , Z. Zhang (1) , G. Rahal (2) , D. Boumediene (3) , Emmanuel Busato (3) , D. Calvet (3) , S. Calvet (3) , J. Donini (3) , E. Dubreuil (3) , N. Ghodbane (3) , Ph. Gris (3) , C. Guicheney (3) , H. Liao (3) , D. Pallin (3) , Daniela Paredes Hernández (3) , F. Podlyski (3) , C. Santoni (3) , Timothée Theveneaux-Pelzer (3) , Loïc Valery (3) , F. Vazeille (3) , S. Albrand (4) , J. Brown (4) , B. Clement (4) , J. Collot (4) , S. Crépé-Renaudin (4) , B. Dechenaux (4) , T. Delemontex (4) , P.A. Delsart (4) , C. Gabaldon (4) , M.H. Genest (4) , J.Y. Hostachy (4) , E. Laisne (4) , B.T. Le (4) , F. Ledroit-Guillon (4) , A. Lleres (4) , A. Lucotte (4) , F. Malek (4) , C. Monini (4) , J. Stark (4) , B. Trocmé (4) , M. Wu (4) , Z. Barnovska (5) , N. Berger (5) , J. Colas (5) , M. Delmastro (5) , L. Di Ciaccio (5) , T.K.O. Doan (5) , S. Elles (5) , C. Goy (5) , T. Hryn'Ova (5) , S. Jézéquel (5) , H. Keoshkerian (5) , I. Koletsou (5) , R. Lafaye (5) , J. Leveque (5) , V.P. Lombardo (5) , N. Massol (5) , P. Perrodo (5) , H. Przysiezniak (5) , G. Sauvage (5) , E. Sauvan (5) , M. Schwoerer (5) , O. Simard (5) , T. Todorov (5) , I. Wingerter-Seez (5) , L. Alio (6) , M. Barbero (6) , C. Bertella (6) , N. Bousson (6) , J. C. Clémens (6) , Y. Coadou (6) , F. Djama (6) , F. Etienne (6) , L. Feligioni (6) , D. Hoffmann (6) , F. Hubaut (6) , E. B. F. G. Knoops (6) , E. Le Guirriec (6) , B. Li (6) , D. Madaffari (6) , K. Mochizuki (6) , E. Monnier (6) , S. Muanza (6) , Y. Nagai (6) , P. Pralavorio (6) , A. Rozanov (6) , T. Serre (6) , M. Talby (6) , N. Tannoury (6) , E. Tiouchichine (6) , S. Tisserant (6) , J. Toth (6) , F. Touchard (6) , M. Ughetto (6) , L. Vacavant (6)
G. Aad
D. Rousseau
Z. Zhang
N. Berger
C. Goy
T. Hryn'Ova
Y. Coadou

Résumé

This paper presents a measurement of the cross-section for high transverse momentum $W$ and $Z$ bosons produced in $pp$ collisions and decaying to all-hadronic final states. The data used in the analysis were recorded by the ATLAS detector at the CERN Large Hadron Collider at a centre-of-mass energy of $\sqrt{s}=7~\rm TeV$ and correspond to an integrated luminosity of $4.6~\rm fb^{-1}$. The measurement is performed by reconstructing the boosted $W$ or $Z$ bosons in single jets. The reconstructed jet mass is used to identify the $W$ and $Z$ bosons, and a jet substructure method based on energy cluster information in the jet centre-of-mass frame is used to suppress the large multi-jet background. The cross-section for events with a hadronically decaying $W$ or $Z$ boson, with transverse momentum $p_{\rm T}>320\,{\rm GeV}$ and pseudorapidity $|\eta|<1.9$, is measured to be $\sigma_{W+Z}= 8.5 \pm 1.7$ pb and is compared to the next-to-leading-order calculations. The selected events are further used to study jet grooming techniques.
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Dates et versions

in2p3-01022724 , version 1 (29-01-2015)

Identifiants

Citer

G. Aad, S. Abdel Khalek, A. Bassalat, C. Becot, S. Binet, et al.. Measurement of the cross-section of high transverse momentum vector bosons reconstructed as single jets and studies of jet substructure in $pp$ collisions at ${\sqrt{s}}$ = 7 TeV with the ATLAS detector. New Journal of Physics, 2014, 16, pp.113013. ⟨10.1088/1367-2630/16/11/113013⟩. ⟨in2p3-01022724⟩
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